diff options
author | Tejun Heo <tj@kernel.org> | 2010-01-05 03:17:33 +0300 |
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committer | Tejun Heo <tj@kernel.org> | 2010-01-05 03:17:33 +0300 |
commit | 32032df6c2f6c9c6b2ada2ce42322231824f70c2 (patch) | |
tree | b1ce838a37044bb38dfc128e2116ca35630e629a /arch/arm/mach-bcmring/include/mach/reg_nand.h | |
parent | 22b737f4c75197372d64afc6ed1bccd58c00e549 (diff) | |
parent | c5974b835a909ff15c3b7e6cf6789b5eb919f419 (diff) | |
download | linux-32032df6c2f6c9c6b2ada2ce42322231824f70c2.tar.xz |
Merge branch 'master' into percpu
Conflicts:
arch/powerpc/platforms/pseries/hvCall.S
include/linux/percpu.h
Diffstat (limited to 'arch/arm/mach-bcmring/include/mach/reg_nand.h')
-rw-r--r-- | arch/arm/mach-bcmring/include/mach/reg_nand.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm/mach-bcmring/include/mach/reg_nand.h b/arch/arm/mach-bcmring/include/mach/reg_nand.h new file mode 100644 index 000000000000..387376ffb56b --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/reg_nand.h @@ -0,0 +1,66 @@ +/***************************************************************************** +* Copyright 2001 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/* +* +***************************************************************************** +* +* REG_NAND.h +* +* PURPOSE: +* +* This file contains definitions for the nand registers: +* +* NOTES: +* +*****************************************************************************/ + +#if !defined(__ASM_ARCH_REG_NAND_H) +#define __ASM_ARCH_REG_NAND_H + +/* ---- Include Files ---------------------------------------------------- */ +#include <csp/reg.h> +#include <mach/reg_umi.h> + +/* ---- Constants and Types ---------------------------------------------- */ + +#define HW_NAND_BASE MM_IO_BASE_NAND /* NAND Flash */ + +/* DMA accesses by the bootstrap need hard nonvirtual addresses */ +#define REG_NAND_CMD __REG16(HW_NAND_BASE + 0) +#define REG_NAND_ADDR __REG16(HW_NAND_BASE + 4) + +#define REG_NAND_PHYS_DATA16 (HW_NAND_BASE + 8) +#define REG_NAND_PHYS_DATA8 (HW_NAND_BASE + 8) +#define REG_NAND_DATA16 __REG16(REG_NAND_PHYS_DATA16) +#define REG_NAND_DATA8 __REG8(REG_NAND_PHYS_DATA8) + +/* use appropriate offset to make sure it start at the 1K boundary */ +#define REG_NAND_PHYS_DATA_DMA (HW_NAND_BASE + 0x400) +#define REG_NAND_DATA_DMA __REG32(REG_NAND_PHYS_DATA_DMA) + +/* Linux DMA requires physical address of the data register */ +#define REG_NAND_DATA16_PADDR HW_IO_VIRT_TO_PHYS(REG_NAND_PHYS_DATA16) +#define REG_NAND_DATA8_PADDR HW_IO_VIRT_TO_PHYS(REG_NAND_PHYS_DATA8) +#define REG_NAND_DATA_PADDR HW_IO_VIRT_TO_PHYS(REG_NAND_PHYS_DATA_DMA) + +#define NAND_BUS_16BIT() (0) +#define NAND_BUS_8BIT() (!NAND_BUS_16BIT()) + +/* Register offsets */ +#define REG_NAND_CMD_OFFSET (0) +#define REG_NAND_ADDR_OFFSET (4) +#define REG_NAND_DATA8_OFFSET (8) + +#endif |